CN220668124U - Lubricating type rod end bearing - Google Patents

Abstract

The application relates to a lubricated pole end bearing, including inner circle, outer lane and sill bar, the inner circle ball hinge is connected on the outer lane, sill bar fixed connection is on the outer lane, still includes lubricated subassembly, lubricated subassembly includes cotton rope, ball and the oil storage storehouse that has the inner chamber, the connection can be dismantled on the sill bar in the oil storage storehouse, set up intercommunication inner chamber and external oil inlet and oil-out on the oil storage storehouse, the ball hinge is connected on the outer lane, ball and inner circle looks butt, the one end of cotton rope stretches into the inner chamber from the oil-out, the other end and the ball looks butt of cotton rope, the oil inlet department can be dismantled and is connected with the end cap. The oil is injected into the inner cavity from the oil inlet, oil in the inner cavity is transferred to the balls through the cotton ropes, the balls are driven to rotate through rotation of the inner rings, the cotton ropes are respectively abutted against the inner rings when the balls roll, and lubricating oil on the cotton ropes is smeared on the inner rings through rolling of the balls, so that the rod end bearing is more convenient to lubricate when in use.

Description

Lubricating type rod end bearing

Technical Field

The utility model relates to the field of rod end bearings, in particular to a lubrication type rod end bearing.

Background

The rod end bearing is comprised of an inner and outer race having a spherical sliding spherical contact surface. The knuckle bearing mainly comprises an inner ring with an outer sphere and an outer ring with an inner sphere, and can bear larger load. Depending on its different types and structures, it is possible to carry radial loads, axial loads or combined loads which are present both radially and axially. The composite material is inlaid on the outer spherical surface of the inner ring, so that the bearing can produce self-lubrication in operation. The device is generally used for swinging motion with lower speed, can also perform tilting motion within a certain angle range, and can still work normally when the concentricity of the supporting shaft and the shaft housing hole is larger.

The utility model with the publication number of CN209943330U provides a rod end joint bearing with simple assembly, and belongs to the technical field of bearings. The problems that the existing rod end joint bearing inner ring material is complex in processing, troublesome in installation, low in bearable rotating speed and the like are solved. The rod end joint bearing comprises a rod end, wherein an outer ring is arranged at the top of the rod end, two bearing sleeves and a rolling ball between the two bearing sleeves are arranged in the outer ring, the bearing sleeves are made of wear-resistant materials, and the inner wall of each bearing sleeve is matched with the spherical cambered surface of the outer surface of each rolling ball.

According to the technical scheme, when oiling, the oil nozzle is opened, lubricating oil is added into the oil nozzle, and the lubricating oil flows into the oil groove passing gap of the bearing sleeve along with the inner pipeline. However, when the bearing rotates rapidly, heat is generated to volatilize the lubricating oil, and the lubricating oil needs to be added into the oil nozzle frequently, so that inconvenience is caused to the use of the bearing.

Disclosure of Invention

To facilitate lubrication of the rod end bearing during use, the present application provides a lubricated rod end bearing.

The utility model provides a lubricated type pole end bearing, includes inner circle, outer lane and sill bar, the inner circle ball pivot is connected on the outer lane, sill bar fixed connection is on the outer lane, still includes lubricated subassembly, lubricated subassembly includes cotton rope, ball and has the oil storage storehouse of inner chamber, the connection is dismantled on the sill bar in the oil storage storehouse, set up intercommunication inner chamber and external oil inlet and oil-out on the oil storage storehouse, the ball pivot is connected on the outer lane, ball and inner circle looks butt, the one end of cotton rope stretches into the inner chamber from the oil-out, the other end and the ball looks butt of cotton rope, the oil inlet department can be dismantled and is connected with the end cap.

Through adopting above-mentioned technical scheme, from oil inlet to the intracavity oiling, on the ball is passed to the oil in with the inner chamber through the cotton rope, drive the ball through the rotation of inner circle and rotate, cotton rope and inner circle looks butt respectively when the ball rolls, through the roll of ball, smear the lubricating oil on the cotton rope on the inner circle, make the lubrication of rod end bearing when using more convenient.

Preferably, an oil outlet of the oil storage bin is provided with an oil conveying pipe, one end of the oil conveying pipe is communicated with the inner cavity, the other end of the oil conveying pipe is penetrated with an outer ring, and the cotton rope is positioned in the oil conveying pipe.

Through adopting above-mentioned technical scheme, connect outer lane and inner chamber through the oil delivery pipe, the cotton rope is located the oil delivery pipe and passes through cotton rope transmission lubricating oil, can reduce the cotton rope in the possibility of oil delivery in-process lubricating oil evaporation.

Preferably, one end of the cotton rope is positioned in the inner cavity and is abutted against the side wall and the bottom wall of the inner cavity.

By adopting the technical scheme, the cotton rope can fully contact with the lubricating oil in the inner cavity, and the possibility that the cotton rope cannot absorb the oil in the inner cavity caused by the reduction of the oil quantity in the inner cavity is reduced.

Preferably, the oil storage bin is in threaded connection with the bottom rod, and when the oil storage bin is installed on the bottom rod, the bottom surface of the oil storage bin is flush with the bottom surface of the bottom rod.

Through adopting above-mentioned technical scheme, the installation and the replacement in oil storage storehouse of being convenient for, the bottom in oil storage storehouse and the bottom parallel and level of sill bar, when the rod end bearing installation, increase the installation area of pole end shaft, reduce the possibility that the rod end bearing is not hard up after the installation.

Preferably, the bottom rod is provided with a clamping ring, and the oil delivery pipe can be matched on the clamping ring in a clamping way.

Through adopting above-mentioned technical scheme, carry out spacingly to the middle section of oil delivery pipe, reduce the during operation of rod end bearing, oil delivery pipe causes the possibility of interference to other parts.

Preferably, two ends of the outer ring in the axial direction are respectively provided with a sponge, and the two sponges are abutted with the inner ring.

Through adopting above-mentioned technical scheme, when the sponge can block impurity entering spherical hinge part, the sponge can absorb the unnecessary lubricating oil of inner circle surface, reduces under the circumstances of rod end bearing rapid movement, and the impurity on outer lane surface mixes with lubricating oil and forms the possibility of burnt sediment under the high temperature.

Preferably, the outer ring is provided with a lubrication groove, the balls are slidably connected to the lubrication groove in a sliding manner, a spring is arranged in the lubrication groove, and the spring always drives the balls to move towards one side of the inner ring.

Through adopting above-mentioned technical scheme, when the inner circle is installed to the outer lane, make ball and inner circle looks butt all the time, when the inner circle was torn down, spring drive ball moved to one side of inner circle, plugged up ball hinge department, reduced the possibility that lubricating oil on the cotton rope volatilized.

The technical effects of the utility model are mainly as follows:

1. according to the utility model, through the arrangement of the lubrication assembly, oil in the inner cavity is transferred to the balls through the cotton ropes, the balls are driven to rotate through the rotation of the inner rings, the cotton ropes are respectively abutted against the inner rings when the balls roll, and the lubrication oil on the cotton ropes is smeared on the inner rings through the rolling of the balls, so that the lubrication of the rod end bearing is facilitated;

2. according to the utility model, by arranging the sponge, the sponge can absorb redundant lubricating oil on the surface of the inner ring while preventing impurities from entering the spherical hinge part, so that the possibility that the impurities on the surface of the outer ring are mixed with the lubricating oil to form coke residue at high temperature under the condition of rapid movement of the rod end bearing is reduced;

3. according to the utility model, the spring is arranged, when the inner ring is mounted on the outer ring, the ball is always abutted against the inner ring, and when the inner ring is dismounted, the spring drives the ball to move towards one side of the inner ring, so that the ball hinge is blocked, and the possibility of volatilization of lubricating oil on the cotton rope is reduced.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a schematic view of a ball structure according to an embodiment of the present application.

Fig. 3 is a schematic view of a cotton rope structure according to an embodiment of the present application.

Fig. 4 is an enlarged view taken along a in fig. 3.

Reference numerals illustrate: 1. an inner ring; 2. an outer ring; 21. a lubrication groove; 22. a spring; 23. a sponge; 3. a bottom bar; 31. a clamping ring; 4. a lubrication assembly; 41. a cotton rope; 42. a ball; 43. an oil storage bin; 431. an inner cavity; 432. an oil inlet; 4321. a plug; 433. an oil outlet; 4331. and (5) an oil delivery pipe.

Detailed Description

The following is a further detailed description of the present application with reference to fig. 1-4, so that the technical solutions of the present application may be more easily understood and mastered.

The embodiment of the application discloses a lubrication type rod end bearing.

Referring to fig. 1-4, a lubrication type rod end bearing of this embodiment includes an inner ring 1, an outer ring 2 and a bottom rod 3, wherein the inner ring 1 is in ball joint connection with the outer ring 2, the bottom rod 3 is fixedly connected with the outer ring 2, the lubrication assembly 4 further includes a cotton rope 41, balls 42 and an oil storage bin 43 with an inner cavity 431, the outer ring 2 is provided with a lubrication groove 21, the balls 42 are in sliding connection with the lubrication groove 21 along the axial direction of the lubrication groove 21, a spring 22 is fixedly connected in the lubrication groove 21, one end of the spring 22 is fixedly connected with the bottom wall of the lubrication groove 21, the other end of the spring 22 is in butt joint with the balls 42, the spring 22 always drives the balls 42 to move towards one side of the inner ring 1, and the balls 42 are in butt joint with the inner ring 1. The oil storage bin 43 is detachably connected to the bottom rod 3, the oil storage bin 43 is provided with an oil inlet 432 and an oil outlet 433 which are communicated with the inner cavity 431 and the outside, one end of the cotton rope 41 extends into the inner cavity 431 from the oil outlet 433, the other end of the cotton rope 41 is abutted to the ball 42, and the oil outlet is detachably connected with a plug 4321.

Referring to fig. 1-3, the plug 4321 is opened, oil is injected into the inner cavity 431 from the oil inlet 432, the oil in the inner cavity 431 is transferred to the balls 42 through the cotton rope 41, the balls 42 are driven to rotate through rotation of the inner ring 1, the cotton rope 41 is respectively abutted with the inner ring 1 when the balls 42 roll, and lubricating oil on the cotton rope 41 is smeared on the inner ring 1 through rolling of the balls 42, so that lubrication of a rod end bearing is facilitated. When the inner ring 1 is mounted on the outer ring 2, the balls 42 are always abutted against the inner ring 1, and when the inner ring 1 is dismounted, the springs 22 drive the balls 42 to move towards the inner ring 1 side, so that the ball hinge is blocked, and the possibility of volatilization of lubricating oil on the cotton rope 41 is reduced.

Referring to fig. 1-3, an oil outlet 433 of the oil storage bin 43 is fixedly connected with an oil delivery pipe 4331, a communicating inner cavity 431 of the oil delivery pipe 4331, one end of the oil delivery pipe 4331 far away from the oil storage bin 43 is penetrated with an outer ring 2, and the cotton rope 41 is positioned in the oil delivery pipe 4331. The oil delivery pipe 4331 connects the outer ring 2 and the inner cavity 431, and the cotton string 41 is positioned in the oil delivery pipe 4331 and transmits the lubricating oil through the cotton string 41, so that the possibility of evaporation of the lubricating oil on the cotton string 41 by the cotton string 41 can be reduced. The plug 4321 is in threaded connection with the oil inlet 432 of the oil storage bin 43, and when oil injection is needed, the threaded connection is convenient for the disassembly of the plug 4321; after oiling, the possibility that lubricating oil in the inner cavity 431 is poured out of the oil inlet 432 is reduced by a thread sealing method.

Referring to fig. 3, the cotton string 41 is positioned at one end of the inner cavity 431 to abut against the side wall and the bottom wall of the inner cavity 431, and is looped around the junction of the side wall and the bottom wall of the maximum diameter of the inner cavity 431. The possibility that the cotton string 41 cannot absorb the oil in the inner cavity 431 due to the decrease in the oil amount in the inner cavity 431 is reduced while the cotton string 41 can sufficiently contact the lubricating oil in the inner cavity 431.

Referring to fig. 1-3, the oil reservoir 43 is threadedly coupled to the bottom rod 3, and when the oil reservoir 43 is mounted to the bottom rod 3, the bottom end of the oil reservoir 43 is flush with the bottom end of the bottom rod 3. The oil reservoir 43 is conveniently installed and replaced, and when the rod end bearing is installed, the installation area of the rod end shaft is increased, and the possibility of looseness of the rod end bearing after installation is reduced.

Referring to fig. 1-3, a clamping ring 31 is fixedly connected to the bottom rod 3, and an oil delivery pipe 4331 is in clamping fit with the clamping ring 31. The middle section of the oil delivery pipe 4331 is limited, so that the possibility that the oil delivery pipe 4331 interferes with other parts when the rod end bearing works is reduced.

Referring to fig. 1 to 3, the two ends of the axial direction of the side surface of the outer ring 2, which is matched with the inner ring 1, are fixedly connected with sponges 23 respectively, the sponges 23 are looped, and the two sponges 23 are abutted against the inner ring 1 respectively. While two sponges 23 can block impurity entering spherical hinge part, the sponge 23 can absorb superfluous lubricating oil on the surface of the inner ring 1, and the possibility that the impurity on the surface of the outer ring 2 is mixed with the lubricating oil to form coke residue under the condition of the rapid motion of the rod end bearing is reduced.

Of course, the foregoing is merely exemplary of the application, and other embodiments of the application are possible, and all modifications and equivalents of the application are intended to fall within the scope of the application.

Claims (7)

1. The utility model provides a lubricated type pole end bearing, includes inner circle (1), outer lane (2) and sill bar (3), inner circle (1) ball pivot is connected on outer lane (2), sill bar (3) fixed connection is on outer lane (2), its characterized in that: still include lubricated subassembly (4), lubricated subassembly (4) include cotton rope (41), ball (42) and have oil storage storehouse (43) of inner chamber (431), ball (42) spherical hinge connects on outer lane (2), ball (42) and inner circle (1) looks butt, oil storage storehouse (43) detachably connect on sill bar (3), oil storage storehouse (43) are last to have seted up intercommunication inner chamber (431) and external oil inlet (432) and oil-out (433), the one end of cotton rope (41) stretches into inner chamber (431) from oil-out (433), the other end and the ball (42) looks butt of cotton rope (41), oil inlet (432) department detachably are connected with end cap (4321).

2. A lubricating type rod end bearing according to claim 1, wherein the outer ring (2) is provided with a lubricating groove (21), the balls (42) are slidably connected to the lubricating groove (21), a spring (22) is arranged in the lubricating groove (21), and the spring (22) always drives the balls (42) to move towards the inner ring (1).

3. A lubricated bar end bearing according to claim 1, wherein: an oil outlet (433) of the oil storage bin (43) is provided with an oil conveying pipe (4331), one end of the oil conveying pipe (4331) is communicated with the inner cavity (431), the other end of the oil conveying pipe (4331) is penetrated with the outer ring (2), and the cotton rope (41) is positioned in the oil conveying pipe (4331).

4. A lubricated bar end bearing according to claim 3, wherein: one end of the cotton rope (41) is positioned in the inner cavity (431) and is abutted against the side wall and the bottom wall of the inner cavity (431).

5. A lubricated bar end bearing according to claim 3, wherein: the oil storage bin (43) is in threaded connection with the bottom rod (3), and when the oil storage bin (43) is installed on the bottom rod (3), the bottom surface of the oil storage bin (43) is flush with the bottom surface of the bottom rod (3).

6. A lubricated rod end bearing according to claim 5, characterized in that the bottom rod (3) is provided with a clamping ring (31), and the oil delivery pipe (4331) is in clamping fit with the clamping ring (31).

7. A lubricated bar end bearing according to claim 1, wherein: two ends of the outer ring (2) in the axial direction are respectively provided with a sponge (23), and the two sponges (23) are abutted with the inner ring (1).